/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-regression/test30-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 03:53:10,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 03:53:10,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 03:53:10,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 03:53:10,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 03:53:10,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 03:53:10,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 03:53:10,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 03:53:10,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 03:53:10,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 03:53:10,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 03:53:10,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 03:53:10,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 03:53:10,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 03:53:10,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 03:53:10,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 03:53:10,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 03:53:10,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 03:53:10,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 03:53:10,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 03:53:10,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 03:53:10,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 03:53:10,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 03:53:10,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 03:53:10,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 03:53:10,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 03:53:10,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 03:53:10,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 03:53:10,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 03:53:10,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 03:53:10,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 03:53:10,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 03:53:10,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 03:53:10,806 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 03:53:10,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 03:53:10,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 03:53:10,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 03:53:10,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 03:53:10,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 03:53:10,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 03:53:10,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 03:53:10,809 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 03:53:10,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 03:53:10,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 03:53:10,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 03:53:10,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 03:53:10,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:53:10,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 03:53:10,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 03:53:10,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 03:53:10,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 03:53:10,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 03:53:10,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 03:53:10,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 03:53:10,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 03:53:11,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 03:53:11,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 03:53:11,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 03:53:11,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 03:53:11,292 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 03:53:11,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test30-2.c [2020-12-22 03:53:11,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a16230dc/1fc6e444b5514250bcc91cb537123d82/FLAGfa9aee895 [2020-12-22 03:53:12,024 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 03:53:12,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test30-2.c [2020-12-22 03:53:12,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a16230dc/1fc6e444b5514250bcc91cb537123d82/FLAGfa9aee895 [2020-12-22 03:53:12,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a16230dc/1fc6e444b5514250bcc91cb537123d82 [2020-12-22 03:53:12,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 03:53:12,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 03:53:12,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 03:53:12,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 03:53:12,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 03:53:12,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423fee39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12, skipping insertion in model container [2020-12-22 03:53:12,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 03:53:12,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 03:53:12,600 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test30-2.c[560,573] [2020-12-22 03:53:12,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:53:12,616 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 03:53:12,632 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test30-2.c[560,573] [2020-12-22 03:53:12,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 03:53:12,650 INFO L208 MainTranslator]: Completed translation [2020-12-22 03:53:12,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12 WrapperNode [2020-12-22 03:53:12,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 03:53:12,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 03:53:12,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 03:53:12,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 03:53:12,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 03:53:12,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 03:53:12,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 03:53:12,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 03:53:12,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... [2020-12-22 03:53:12,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 03:53:12,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 03:53:12,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 03:53:12,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 03:53:12,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 03:53:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 03:53:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 03:53:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 03:53:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 03:53:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 03:53:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 03:53:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 03:53:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 03:53:13,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 03:53:13,072 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-22 03:53:13,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:13 BoogieIcfgContainer [2020-12-22 03:53:13,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 03:53:13,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 03:53:13,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 03:53:13,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 03:53:13,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:53:12" (1/3) ... [2020-12-22 03:53:13,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc887b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:13, skipping insertion in model container [2020-12-22 03:53:13,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:53:12" (2/3) ... [2020-12-22 03:53:13,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc887b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:53:13, skipping insertion in model container [2020-12-22 03:53:13,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:13" (3/3) ... [2020-12-22 03:53:13,085 INFO L111 eAbstractionObserver]: Analyzing ICFG test30-2.c [2020-12-22 03:53:13,092 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 03:53:13,098 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 03:53:13,122 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 03:53:13,167 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 03:53:13,167 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 03:53:13,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 03:53:13,168 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 03:53:13,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 03:53:13,168 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 03:53:13,168 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 03:53:13,168 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 03:53:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-12-22 03:53:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 03:53:13,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 03:53:13,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 03:53:13,223 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 03:53:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 03:53:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash 889475945, now seen corresponding path program 1 times [2020-12-22 03:53:13,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 03:53:13,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040316325] [2020-12-22 03:53:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 03:53:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:53:13,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:53:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 03:53:13,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 03:53:13,702 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 03:53:13,704 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 03:53:13,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 03:53:13,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 03:53:13 BoogieIcfgContainer [2020-12-22 03:53:13,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 03:53:13,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 03:53:13,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 03:53:13,768 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 03:53:13,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:53:13" (3/4) ... [2020-12-22 03:53:13,773 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 03:53:13,869 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-regression/test30-2.c-witness.graphml [2020-12-22 03:53:13,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 03:53:13,872 INFO L168 Benchmark]: Toolchain (without parser) took 1490.86 ms. Allocated memory is still 165.7 MB. Free memory was 140.0 MB in the beginning and 146.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 49.9 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,873 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 165.7 MB. Free memory is still 139.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 03:53:13,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.43 ms. Allocated memory is still 165.7 MB. Free memory was 139.8 MB in the beginning and 130.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.43 ms. Allocated memory is still 165.7 MB. Free memory was 130.0 MB in the beginning and 128.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,876 INFO L168 Benchmark]: Boogie Preprocessor took 24.74 ms. Allocated memory is still 165.7 MB. Free memory was 128.5 MB in the beginning and 127.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,877 INFO L168 Benchmark]: RCFGBuilder took 359.22 ms. Allocated memory is still 165.7 MB. Free memory was 127.5 MB in the beginning and 112.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,877 INFO L168 Benchmark]: TraceAbstraction took 685.55 ms. Allocated memory is still 165.7 MB. Free memory was 112.2 MB in the beginning and 96.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,878 INFO L168 Benchmark]: Witness Printer took 102.49 ms. Allocated memory is still 165.7 MB. Free memory was 96.9 MB in the beginning and 146.9 MB in the end (delta: -50.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. [2020-12-22 03:53:13,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 165.7 MB. Free memory is still 139.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 269.43 ms. Allocated memory is still 165.7 MB. Free memory was 139.8 MB in the beginning and 130.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.43 ms. Allocated memory is still 165.7 MB. Free memory was 130.0 MB in the beginning and 128.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.74 ms. Allocated memory is still 165.7 MB. Free memory was 128.5 MB in the beginning and 127.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 359.22 ms. Allocated memory is still 165.7 MB. Free memory was 127.5 MB in the beginning and 112.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 685.55 ms. Allocated memory is still 165.7 MB. Free memory was 112.2 MB in the beginning and 96.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Witness Printer took 102.49 ms. Allocated memory is still 165.7 MB. Free memory was 96.9 MB in the beginning and 146.9 MB in the end (delta: -50.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 33]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5] int a = 1, b; [L7-L9] struct dummy { int *a, *b; } global = {&a, &b}; VAL [a={6:0}, b={3:0}, global={5:0}] [L23] struct dummy *pd = &global; [L18] \read(**pb) [L18] \read(**pb) [L13] EXPR \read(*pb) [L13] *pa = *pb [L27] EXPR \read(a) [L27] EXPR \read(b) VAL [a={6:0}, b={3:0}, global={5:0}] [L27] COND TRUE a != b [L33] reach_error() VAL [a={6:0}, b={3:0}, global={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...